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Finding the Fourth Proportional to 6,807.78, 10,198.26 and 4,699.08

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Solution

The fourth proportional to 6,807.78, 10,198.26 and 4,699.08 is: 7,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.78 : 10,198.26 = 4,699.08 : x
  2. Step 2: Convert to fraction form
    6,807.78/10,198.26 = 4,699.08/x
  3. Step 3: Cross multiply
    6,807.78x = 10,198.26 × 4,699.08
  4. Step 4: Simplify right side
    6,807.78x = 47,922,439.60
  5. Step 5: Solve for x
    x = 47,922,439.60/6,807.78
  6. Step 6: Final answer
    x = 7,039.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.